CN111734312A - Double-wheel double-milling multi-stirring power head - Google Patents
Double-wheel double-milling multi-stirring power head Download PDFInfo
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- CN111734312A CN111734312A CN202010493024.0A CN202010493024A CN111734312A CN 111734312 A CN111734312 A CN 111734312A CN 202010493024 A CN202010493024 A CN 202010493024A CN 111734312 A CN111734312 A CN 111734312A
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- stirring
- drill bit
- core pipe
- bit core
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- 238000003756 stirring Methods 0.000 title claims abstract description 138
- 238000003801 milling Methods 0.000 title claims abstract description 81
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 12
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002689 soil Substances 0.000 description 9
- 238000005553 drilling Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to a double-wheel double-milling multi-stirring-force head, belonging to the technical field of construction machinery equipment. The upper conical screw hole of the lower drill bit core pipe is screwed in and quickly and fixedly connected with the lower conical screw rod of the middle drill bit core pipe, the lower part of the lower drill bit core pipe is fixedly connected with a drill bit, the lower layer of horizontal stirring fixed blades are fixedly connected to the lower drill bit core pipe, the lower pipe wall of the lower drill bit core pipe is provided with a circular guniting hole, the upper drill bit core pipe, the middle drill bit core pipe and the lower drill bit core pipe are all hollow cylindrical rigid bodies and are communicated with each other, and the lower pipe wall of the lower drill bit core pipe is provided with a. The invention can realize the effect of double-wheel double-milling and multi-stirring by utilizing the one-way drill rod, can form a pile at one time without repeated stirring, effectively improves the uniformity and the strength of the stirring pile, improves the construction efficiency and saves the construction cost.
Description
Technical Field
The invention relates to a double-wheel double-milling multi-stirring-force head, belonging to the technical field of construction machinery equipment.
Background
A cement mixing pile machine for soft foundation is a mechanical building pile driver for drilling and digging in site of soft foundation, and features that cement reinforcer is sprayed out from drill bit and mixed with original soil of foundation repeatedly to form a pile body with solidifying agent and original soil of foundation, which are uniformly mixed and stirred. In actual construction, because the stratum geology cannot be uniform, especially in mud flat silt stratum, the uniformity of the stirring pile-forming is difficult to master, which often results in low construction efficiency and difficult quality guarantee. For example, the Chinese invention patent "a nail-shaped bidirectional cement mixing pile machine with blade fault detection system" (application number 201910994223.7).
Aiming at the problems, design departments and construction units disclose various improvement methods: such as increasing the repeated stirring times, bidirectional stirring drilling tools and the like. However, the repeated stirring mode needs to be repeated for at least more than two times, so that the construction efficiency is reduced; the bidirectional stirring drilling tool is adopted, the horizontal reverse stirring is also adopted, the soil body stirring is carried out on the horizontal plane, and the actual effect is not ideal in the beach mud flat silt stratum.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a double-wheel double-milling multi-stirring-force head. According to the invention, the double-wheel double-milling vertical milling and stirring blade is added on the conventional horizontal stirring blade, the multi-layer multi-direction blade structure type power head of the drill bit connecting handle which is quickly connected with the drill rod is arranged at the top of the drill bit core tube, the double-wheel double-milling multi-stirring effect can be realized by utilizing the one-way drill rod, the pile is formed at one time, repeated stirring is not needed, the uniformity and the strength of the stirring pile are effectively improved, the construction efficiency is improved, and the construction cost is saved.
The technical scheme of the invention is as follows: a double-wheel double-milling multi-stirring-force head comprises an upper-layer horizontal stirring blade component, a middle-layer double-wheel double-milling vertical milling stirring blade component and a lower-layer horizontal stirring blade component, wherein the upper-layer horizontal stirring blade component comprises an upper-layer drill bit core pipe, an upper-layer horizontal stirring fixed blade and an upper-layer horizontal stirring free blade; the method is characterized in that: the upper layer drill bit core pipe is provided with an upper layer horizontal stirring fixed blade and an upper layer horizontal stirring free blade, and the middle layer drill bit core pipe is fixedly connected with the upper layer drill bit core pipe through a cylindrical pin; the middle-layer drill bit core pipe is fixedly connected with a horizontal rotating bevel gear through a spline, the horizontal rotating bevel gear is meshed with a vertical rotating bevel gear which is symmetrically installed, the tail part of the vertical rotating bevel gear which is symmetrically installed is fixedly connected with a vertical milling and stirring impeller which is symmetrically installed through a spline, and vertical milling and stirring blades are fixed on the vertical milling and stirring impeller which is symmetrically installed; the upper conical screw hole of the lower drill bit core pipe is screwed in and fast and fixedly connected with the lower conical screw rod of the middle drill bit core pipe, the lower drill bit core pipe is fixedly connected with the drill bit, the lower drill bit core pipe is fixedly connected with the lower horizontal stirring fixed blade, the lower drill bit core pipe is provided with a circular guniting hole, the upper drill bit core pipe, the middle drill bit core pipe and the lower drill bit core pipe are all hollow cylindrical rigid bodies and are communicated with each other, and the lower drill bit core pipe is provided with a circular guniting hole.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: the vertical milling and stirring blades are three layers.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: the upper layer horizontal stirring fixed blade and the horizontal plane form an inclination angle of 25 degrees.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: the upper layer of horizontal stirring free blades can freely rotate around the drill bit core pipe on the horizontal plane by two or three stirring blades, and the blade surfaces of the stirring blades form an inclination angle of 90 degrees with the horizontal plane.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: the lower horizontal stirring fixed blade and the horizontal plane form an inclination angle of 25 degrees.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: alloy teeth are embedded on the cutting front surface of the lower horizontal stirring fixed blade.
According to the double-wheel double-milling multi-stirring-force head, the double-wheel double-milling multi-stirring-force head is characterized in that: the middle-layer drill bit core pipe, the vertical rotation bevel gear and the horizontal rotation bevel gear are packaged in a middle-layer double-wheel double-milling vertical milling and stirring blade component shell, and the vertical milling and stirring impeller and the vertical milling and stirring blade are arranged outside the vertical milling and stirring blade component shell.
The double-wheel double-milling multi-stirring-force head has the beneficial effects that:
the cement soil mixing pile machine has the advantages that under the same working condition, a traditional drill bit is used, only horizontal mixing blades are needed, in actual construction, stratum geology cannot be uniform, particularly mud flat and silt stratum, pile forming cannot be achieved due to uneven mixing frequently, after the double-wheel double-milling multi-stirring-force head of the cement soil mixing pile machine is used, horizontal mixing and double-wheel double-milling vertical mixing are fully stirred, a curing agent and original soil of a foundation are fully mixed and stirred, the uniformity is higher, pile forming at one time is achieved, and the effect is very obvious.
Secondly, because the conical screw hole (consistent with the conical screw rod of the drill rod connecting handle) at the upper end of the upper drill bit core pipe, the connection between the drill rod and the drill bit can be quickly completed only by screwing the drill rod conical screw rod to the conical screw hole at the upper end of the upper drill bit core pipe in use; the lower end of the upper layer drill bit core pipe is provided with an inner square tenon hole which is matched with a square tenon on the upper part of the middle layer drill bit core pipe of the middle layer double-wheel double-milling vertical milling and stirring blade component and is quickly fixedly connected by a cylindrical pin after being inserted; the lower end of the middle layer drill core pipe is provided with a conical screw which is matched with the upper conical screw hole of the lower layer drill core pipe of the lower layer horizontal stirring blade component and can be screwed in for quick fixation;
the upper layer drill bit core pipe, the middle layer drill bit core pipe and the lower layer drill bit core pipe are all hollow cylindrical rigid bodies, a circular guniting hole is formed in the pipe wall of the lower portion of the lower layer drill bit core pipe, the curing agent slurry in the hollow drill rod passes through the hollow drill bit core pipe, guniting is conducted through the circular guniting hole in the pipe wall of the lower portion of the lower layer drill bit core pipe, horizontal stirring and vertical milling stirring are conducted together to conduct full stirring, the curing agent and original soil of the foundation are fully mixed and stirred, the uniformity is improved, and the effect of forming the.
Drawings
FIG. 1 is a schematic structural diagram of a dual-wheel dual-milling multi-stirring head according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection and the cutting of a double-wheel double-milling multi-stirring head of FIG. 1
Description of the reference symbols in the drawings: 1-upper horizontal stirring blade component, 1.1-upper drill core pipe, 1.2-upper horizontal stirring fixed blade, 1.3-upper horizontal stirring free blade, 2-middle double-wheel double-milling vertical milling stirring blade component, 2.1-middle double-wheel double-milling vertical milling stirring blade component shell, 2.2-middle drill core pipe, 2.3-vertical milling stirring impeller, 2.4-vertical rotating bevel gear, 2.5-horizontal rotating bevel gear, 2.6-vertical milling stirring blade, 3-lower horizontal stirring blade component, 3.1-lower horizontal stirring fixed blade, 3.2-lower drill core pipe, 3.3-guniting hole, 3.4-drill tip, and 3.5-alloy tooth.
Detailed Description
The following detailed description of the embodiments is made with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the double-wheel double-milling multi-stirring-force head of the present invention comprises an upper horizontal stirring blade component 1, a middle double-wheel double-milling vertical stirring blade component 2 and a lower horizontal stirring blade component 3. Wherein, the upper horizontal stirring blade component 1 comprises an upper drill bit core pipe 1.1, an upper horizontal stirring fixed blade 1.2 and an upper horizontal stirring free blade 1.3. The middle-layer double-wheel double-milling vertical milling and stirring blade component 2 comprises a middle-layer double-wheel double-milling vertical milling and stirring blade component shell 2.1, a middle-layer drill bit core pipe 2.2, a vertical milling and stirring impeller 2.3, a vertical rotating bevel gear 2.4, a horizontal rotating bevel gear 2.5 and a vertical milling and stirring blade 2.6. The lower-layer horizontal stirring blade component 3 comprises a lower-layer horizontal stirring fixed blade 3.1, a lower-layer drill bit core pipe 3.2, a guniting hole 3.3, a drill bit 3.4 and an alloy tooth 3.5. The upper layer horizontal stirring fixed blade 1.2 and the horizontal plane preferably form an inclination angle of 25 degrees, the upper layer horizontal stirring free blade 1.3 can freely rotate around the drill bit core pipe on the horizontal plane by two or three stirring blades, and the blade surfaces of the stirring blades form an inclination angle of 90 degrees with the horizontal plane, so that the stirring effect is improved.
As shown in fig. 2, the upper horizontal stirring blade member 1 of the present invention has a specific structure: the upper layer drill bit core pipe 1.1 is provided with an upper layer horizontal stirring fixed blade 1.2 and an upper layer horizontal stirring free blade 1.3. The square tenon on the upper part of the middle-layer drill bit core pipe 2.2 of the middle-layer double-wheel double-milling vertical milling blade component 2 is matched with the square tenon hole on the upper part of the upper-layer drill bit core pipe 1.1, and after the square tenon is inserted, the square tenon is quickly fixedly connected with the cylindrical pin, namely, the middle-layer drill bit core pipe 2.2 is fixedly connected with the upper-layer drill bit core pipe 1.1 through the cylindrical pin. The middle-layer drill bit core pipe 2.2 receives horizontal rotation power transmitted by the upper-layer drill bit core pipe 1.1, the middle-layer drill bit core pipe 2.2 is fixedly connected with a horizontal rotation bevel gear 2.5 through a spline, the middle-layer drill bit core pipe 2.2 drives the horizontal rotation bevel gear 2.5 to horizontally rotate when horizontally rotating, the horizontal rotation bevel gear 2.5 is meshed with a vertical rotation bevel gear 2.4 which is symmetrically installed, the vertical rotation bevel gear 2.4 which is symmetrically installed vertically rotates vertically, the tail part of the vertical rotation bevel gear 2.4 which is symmetrically installed is fixedly connected with a vertical milling and stirring impeller 2.3 which is symmetrically installed through a spline, three layers of vertical milling and stirring blades 2.6 are fixed on the vertical milling and stirring impeller 2.3 which is symmetrically installed, and the vertical milling and stirring blades 2.6 are driven to vertically mill and stir. The middle-layer drill bit core tube 2.2, the vertical rotating bevel gear 2.4 and the horizontal rotating bevel gear 2.5 are packaged in the middle-layer double-wheel double-milling vertical milling and stirring blade component shell 2.1. The vertical milling and stirring impeller 2.3 and the vertical milling and stirring blade 2.6 are arranged outside the vertical milling and stirring blade component shell 2.1.
As shown in fig. 2, the upper conical screw hole of the lower drill core tube 3.2 of the lower horizontal stirring blade component 3 is screwed into the lower conical screw of the middle drill core tube 2.2 for fast and fixed connection, and receives the horizontal rotation power transmitted by the drill rod in sequence, the drill tip 3.4 is welded at the lower part of the lower drill core tube 3.2, the lower horizontal stirring fixed blade 3.1 is fixedly connected on the lower drill core tube 3.2, the alloy teeth 3.5 are embedded on the cutting front surface of the lower horizontal stirring fixed blade 3.1, and the lower drill core tube 3.2 rotates to drive the lower horizontal stirring fixed blade 3.1 and the drill tip 3.4 to horizontally rotate and downwards drill. The lower pipe wall of the lower layer drill bit core pipe 3.2 is provided with a circular guniting hole 3.3, the upper layer drill bit core pipe 1.1, the middle layer drill bit core pipe 2.2 and the lower layer drill bit core pipe 3.2 are all hollow cylindrical rigid bodies and are communicated with each other, curing agent slurry in a hollow drill rod passes through the hollow drill bit core pipe, the circular guniting hole 3.3 is guniting from the lower pipe wall of the lower layer drill bit core pipe 3.2, and the horizontal stirring and the vertical milling stirring are carried out together for fully mixing and stirring the curing agent and original state soil of a foundation, so that the effect of forming a pile at one time is achieved. The lower horizontal stirring fixed blade 3.1 of the invention has an inclination angle of 25 degrees with the horizontal plane, which is more favorable for uniform stirring.
During the working process of the invention: when the drilling machine drills downwards, the drilling machine transmits horizontal rotation power to an upper drill bit core pipe 1.1 of an upper horizontal stirring blade component 1 of the double-wheel double-milling multi-stirring power head through a drill rod, and an upper horizontal stirring fixed blade 1.2 and a lower horizontal stirring fixed blade 3.1 on the upper horizontal stirring blade component 1 rotate horizontally along with the drill rod to stir original soil of the foundation; the upper layer horizontal stirring free blades 1.3 arranged on the upper layer drill bit core pipe 1.1 do not rotate and stir along the horizontal direction of the drill bit core pipe, so that the upper layer horizontal stirring free blades, the upper layer horizontal stirring fixed blades 1.2 and the lower layer horizontal stirring fixed blades 3.1 form relative reverse stirring, and the stirring effect of the device is improved.
The number of the blade layers of the upper-layer horizontal stirring fixed blade 1.2, the upper-layer horizontal stirring free blade 1.3, the vertical milling and stirring blade 2.6, the lower-layer horizontal stirring fixed blade 3.1 and the like can be increased or decreased according to the height between the bottom of the drilling machine and the ground, and when the height between the bottom of the drilling machine and the ground is increased, one or more layers of horizontal stirring fixed blades can be correspondingly added on the upper-layer horizontal stirring blade component or the lower-layer horizontal stirring blade component.
Claims (7)
1. A double-wheel double-milling multi-stirring-force head comprises an upper-layer horizontal stirring blade component, a middle-layer double-wheel double-milling vertical milling stirring blade component and a lower-layer horizontal stirring blade component, wherein the upper-layer horizontal stirring blade component comprises an upper-layer drill bit core pipe, an upper-layer horizontal stirring fixed blade and an upper-layer horizontal stirring free blade; the method is characterized in that: the upper layer drill bit core pipe is provided with an upper layer horizontal stirring fixed blade and an upper layer horizontal stirring free blade, and the middle layer drill bit core pipe is fixedly connected with the upper layer drill bit core pipe through a cylindrical pin; the middle-layer drill bit core pipe is fixedly connected with a horizontal rotating bevel gear through a spline, the horizontal rotating bevel gear is meshed with a vertical rotating bevel gear which is symmetrically installed, the tail part of the vertical rotating bevel gear which is symmetrically installed is fixedly connected with a vertical milling and stirring impeller which is symmetrically installed through a spline, and vertical milling and stirring blades are fixed on the vertical milling and stirring impeller which is symmetrically installed; the upper conical screw hole of the lower drill bit core pipe is screwed in and fast and fixedly connected with the lower conical screw rod of the middle drill bit core pipe, the lower drill bit core pipe is fixedly connected with the drill bit, the lower drill bit core pipe is fixedly connected with the lower horizontal stirring fixed blade, the lower drill bit core pipe is provided with a circular guniting hole, the upper drill bit core pipe, the middle drill bit core pipe and the lower drill bit core pipe are all hollow cylindrical rigid bodies and are communicated with each other, and the lower drill bit core pipe is provided with a circular guniting hole.
2. The dual wheel dual mill multiple agitator head of claim 1, wherein: the vertical milling and stirring blades are three layers.
3. The dual wheel dual mill multiple agitator head of claim 1, wherein: the upper layer horizontal stirring fixed blade and the horizontal plane form an inclination angle of 25 degrees.
4. The dual wheel dual mill multiple agitator head of claim 1, wherein: the upper layer of horizontal stirring free blades can freely rotate around the drill bit core pipe on the horizontal plane by two or three stirring blades, and the blade surfaces of the stirring blades form an inclination angle of 90 degrees with the horizontal plane.
5. The dual wheel dual mill multiple agitator head of claim 1, wherein: the lower horizontal stirring fixed blade and the horizontal plane form an inclination angle of 25 degrees.
6. The dual wheel dual mill multiple agitator head of claim 1, wherein: alloy teeth are embedded on the cutting front surface of the lower horizontal stirring fixed blade.
7. The dual wheel dual mill multiple agitator head of claim 1, wherein: the middle-layer drill bit core pipe, the vertical rotation bevel gear and the horizontal rotation bevel gear are packaged in a middle-layer double-wheel double-milling vertical milling and stirring blade component shell, and the vertical milling and stirring impeller and the vertical milling and stirring blade are arranged outside the vertical milling and stirring blade component shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493024.0A CN111734312A (en) | 2020-06-03 | 2020-06-03 | Double-wheel double-milling multi-stirring power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493024.0A CN111734312A (en) | 2020-06-03 | 2020-06-03 | Double-wheel double-milling multi-stirring power head |
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| Publication Number | Publication Date |
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| CN111734312A true CN111734312A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010493024.0A Pending CN111734312A (en) | 2020-06-03 | 2020-06-03 | Double-wheel double-milling multi-stirring power head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376555A (en) * | 2020-10-28 | 2021-02-19 | 武汉天宝荣盛基础工程有限公司 | Four-wheel four-milling multi-stirring power head |
| CN112726581A (en) * | 2020-12-30 | 2021-04-30 | 佛山科学技术学院 | Cement mixing pile drill bit with bidirectional rotating mixing blades |
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|---|---|---|---|---|
| US5411353A (en) * | 1993-09-01 | 1995-05-02 | Taki; Osamu | Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| CN201401126Y (en) * | 2009-04-22 | 2010-02-10 | 陈腊根 | Bidirectional double-stirring transmission device |
| CN103046557A (en) * | 2012-12-04 | 2013-04-17 | 北京建材地质工程公司 | Foundation pit water-sealing supporting method by using long spiral cement soil mixing structural steel pile |
| CN203200749U (en) * | 2013-05-08 | 2013-09-18 | 彭文 | Recombination stirring drilling tool for repairing, strengthening and stabilizing foundation |
| CN103452484A (en) * | 2013-08-22 | 2013-12-18 | 武汉市天宝工程机械有限责任公司 | Double-mixing drilling bit of cement-soil mixing pile machine |
| CN204059338U (en) * | 2014-07-25 | 2014-12-31 | 彭文 | Novel strong power bidirectional stirring pile machine |
| CN108252299A (en) * | 2018-02-12 | 2018-07-06 | 吴应寿 | Uniaxial multidirectional cement mixing pile crown and the multidirectional cement mixing pile crown of multiaxis |
-
2020
- 2020-06-03 CN CN202010493024.0A patent/CN111734312A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411353A (en) * | 1993-09-01 | 1995-05-02 | Taki; Osamu | Soil solidification apparatus with a shear blade of adjustable length and rotation speed for creating a ribbed soil-cement pile |
| CN201401126Y (en) * | 2009-04-22 | 2010-02-10 | 陈腊根 | Bidirectional double-stirring transmission device |
| CN103046557A (en) * | 2012-12-04 | 2013-04-17 | 北京建材地质工程公司 | Foundation pit water-sealing supporting method by using long spiral cement soil mixing structural steel pile |
| CN203200749U (en) * | 2013-05-08 | 2013-09-18 | 彭文 | Recombination stirring drilling tool for repairing, strengthening and stabilizing foundation |
| CN103452484A (en) * | 2013-08-22 | 2013-12-18 | 武汉市天宝工程机械有限责任公司 | Double-mixing drilling bit of cement-soil mixing pile machine |
| CN204059338U (en) * | 2014-07-25 | 2014-12-31 | 彭文 | Novel strong power bidirectional stirring pile machine |
| CN108252299A (en) * | 2018-02-12 | 2018-07-06 | 吴应寿 | Uniaxial multidirectional cement mixing pile crown and the multidirectional cement mixing pile crown of multiaxis |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376555A (en) * | 2020-10-28 | 2021-02-19 | 武汉天宝荣盛基础工程有限公司 | Four-wheel four-milling multi-stirring power head |
| CN112726581A (en) * | 2020-12-30 | 2021-04-30 | 佛山科学技术学院 | Cement mixing pile drill bit with bidirectional rotating mixing blades |
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Application publication date: 20201002 |
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